<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../assets/js/vue.js"></script>
    <style>
        .fcw{
            font-weight: bolder;
        }
        .fc{
            color: brown;
        }
        .bc{
            background-color: #ccc;
        }
        .border{
            border: 2px solid black;
        }
        .fs{
            font-size: 20px;
        }
        .fd{
            text-decoration: line-through;
        }
        .success{
            color: green;
        }
        .error{
            color: brown;
        }
    </style>
</head>
<body>
    <div id="app">

    </div>
    <script>
        new Vue({
            el:"#app",
            data:{
                classStr:"fcw",
                classArr:[]
            }
        })
    </script>
</body>
</html>